The Beta 91A is optimised for kick drums as well as traditional low end applications including piano. It uses a half-cardioid condenser boundary microphone with an integrated XLR preamplifier that is tailored for a strong low-end response. It has a two-position contour switch for optimised sound signature depending on application.
The Beta 91A is a half cardioid condenser boundary microphone. You can expect a strong low end response as it is specifically tailored for bass frequency applications and superior attack and punch for studio quality sound even at extremely high sound pressure levels (SPL). Features/Specifications: Uniform half-cardioid polar pattern for maximum gain-before-feedback and rejection of off-axis sound Precision-engineered low-profile design features integrated preamplifier and XLR connector to maximize setup efficiency while minimizing stage clutter Frequency response tailored for kick drum/low frequency applications with a wide dynamic range for use in high SPL environments Two-position contour switch to maximize attack and clarity depending on application ? select the flat response setting for natural sound in most applications or the “low-mid scoop” setting for a strong low frequency “punch” with plenty of higher frequency attack Requires no external mounting Further Specs: Transducer Type: Condenser Polar Pattern:Half-Cardioid Frequency Response: 20 Hz – 20 kHz Sensitivity (1 kHz): 485 dBV/Pa / 38 mV/Pa Equivalent Selfnoise: 255 dB(A) Sound Pressure: 155 dB Shure PA-DJ-and-Lighting EVD
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Shure Beta 91A Half Cardioid Condenser Kick Drum